* {
    margin: 0;
    padding: 0;
    font-size: 24px;
}

ul,
ol {
    list-style: none;
}

a {
    text-decoration: none;
    color: #fff;
}

/* 专有样式 */
.head {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: #000;
    z-index: 100;
}

.h-bg {
    width: 1200px;
    margin: 0 auto;
    height: 100px;
    position: relative;
}

.h-left {
    display: inline-block;
    padding: 24px 0;
}

.h-right {
    display: inline-block;
    position: absolute;
    right: 10px;
    bottom: 20px;
    width: 900px;
}

.h-right ul {
    display: flex;
    justify-content: space-between;
}

.h-right ul li {
    width: 100px;
    text-align: center;
    padding: 15px;
    color: #fff;
}

.h-right ul li:hover {
    color: #0f0;
}

.h-right ul li.active {
    border-bottom: 1px solid #0f0;
    color: #0f0;
}

/* banner */
.banner {
    width: 100%;
    position: relative;
    top: 100px;
    overflow: hidden;
}

.banner ul {
    position: absolute;
    font-size: 0;
}

.banner ul li {
    display: inline-block;
}

.banner img {
    width: 100%;
}

.banner ol {
    width: 200px;
    height: 30px;
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: space-around;
}

.banner ol li {
    width: 30px;
    height: 30px;
    border-radius: 15px;
    background-color: #0f0;
    display: inline-block;
}


.banner ol li.active2 {
    width: 70px;
    transition: all .3s;
}

/* body */

.b-1 {
    margin-top: 100px;
    height: 450px;
    padding: 150px 0 280px 0;
}

.b-1-up {
    text-align: center;
}

.b-1-mid {
    width: 300px;
    height: 10px;
    display: flex;
    justify-content: center;
    margin: 0 auto;
}

.b-1-mid div {
    width: 100px;
    border-bottom: 1px solid #ccc;
}

.b-1-mid span {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: #000;
    margin: 7px 20px;
}

.b-1-down {
    width: 1000px;
    height: 200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
}

.b-1-down-left {
    width: 260px;
    height: 450px;
    padding: 20px;
}

.b-1-down-left img {
    margin: 150px 80px 0;
}

.b-1-down-left-1 {
    text-align: center;
    font-size: 24px;
    margin: 35px 0 10px;
}

.b-1-down-left-2 {
    margin: 35px 0 10px;
    font-size: 20px;
}

.b-2 {
    width: 100%;
    height: 900px;
    margin: 0 auto;
    background-image: url(../images/gyls.png);
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.b-2-up {
    width: 1000px;
    height: 300px;
    margin: 0 auto;
    padding: 200px 0 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.b-2-up-1 {
    color: #0f0;
    font-size: 80px;
    width: 160px;
    height: 100px;
}

.b-2-up-2 {
    color: #fff;
    font-size: 80px;
    width: 160px;
    height: 100px;
}

.b-2-up-3 {
    color: #fff;
    font-size: 40px;
    width: 200px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    border: 1px solid #fff;
    border-radius: 50px;
    margin-left: 80px;
}

.b-2-down {
    color: #fff;
    font-size: 30px;
    width: 700px;
    margin: 0 auto;
    position: absolute;
    right: 20px;

}

.b-3 {
    height: 1000px;
}

.b-3-up {
    padding: 200px 0 0;
}

.b-3-body {
    width: 600px;
    height: 200px;
    display: flex;
    flex-wrap: wrap;
    margin: 10px auto;
    align-items: center;
    padding: 100px 0;
}

.b-3-box {
    background-color: #ccc;
    width: 100px;
    height: 100px;
}

.b-3-box2 {
    width: 100px;
    height: 100px;
}

.circle {
    width: 20px;
    height: 20px;
    background-color: #000;
    color: #fff;
    border-radius: 50%;
    margin: 10px auto 0;
    font-size: 12px;
    text-align: center;
    line-height: 20px;
}

.text {
    font-size: 10px;
    padding: 10px;
    text-align: center;
}

.b-4 {
    background-image: url(../images/b-4.jpg);
    background-repeat: no-repeat;
    background-attachment: fixed;
    width: 1200px;
    height: 700px;
    margin: 0 auto;
}

.b-4-up {
    padding: 100px 0 0;
    color: #fff;
}

.b-4-mid span {
    background-color: #fff;
}

.b-4-body {
    width: 800px;
    height: 300px;
    margin: 0 auto;
    padding: 150px 0 0;
    display: flex;
    justify-content: center;
}

.b-4-b-content {
    width: 200px;
    height: 300px;
    margin: 0 10px;
}

.b-4-b-c-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 20px auto 0;
}

.b-4-b-c-1 {
    width: 12opx;
    color: #fff;
    font-size: 16px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    margin: 10px 0;
}

.b-4-b-c-2 div {
    color: #fff;
    font-size: 12px;
    text-align: center;
}

.about {
    width: 800px;
    height: 600px;
    margin: 0 auto;
}

.b-5-up {
    padding: 100px 0 0;
}

.b-5-text {
    display: flex;
    justify-content: space-around;
    padding: 100px 0;
}

.b-5-text>div {
    font-size: 14px;
    width: 300px;
    margin: 0;
}

.b-5-text img {
    float: right;
    width: 300px;

}

.b-6 {
    width: 1200px;
    height: 600px;
    background-image: url(../images/b-6.png);
    background-repeat: no-repeat;
    background-attachment: fixed;
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: 0 auto;
}

.b-6-text {
    width: 300px;
    color: #fff;
}

.b-6-text>div {
    display: inline-block;
}

.b-6-text-1 {
    font-size: 50px;
    margin-right: 10px;
}

.b-6-text-3 {
    font-size: 16px;
}

.b-7 {
    width: 800px;
    height: 600px;
    margin: 0 auto;
    padding-top: 100px;
}

.b-7-body {
    height: 300px;
    padding: 50px 0;
    display: flex;
    justify-content: space-between;
}

.b-7-body>div {
    width: 200px;
    height: 300px;
}

.b-7-body img {
    padding: 50px 60px 0;
}

.b-7-text1 {
    font-size: 16px;
    text-align: center;
}

.b-7-text2 {
    text-align: center;
    font-size: 12px;
    padding-top: 50px;
}

.foot {
    background-color: #000;
    height: 400px;
    color: #fff;
    display: flex;
    position: relative;
}

.f-left {
    width: 400px;
    padding: 50px 0 0 300px;
}

.f-left>div {
    display: inline-block;
    font-size: 14px;
    width: 100px;
}

.f-right {
    width: 500px;
    height: 200px;
    margin: 50px 0;
    padding-left: 50px;
    border-left: 1px solid #ccc;
    display: flex;
    justify-content: space-between;
}

.f-right img {
    width: 100px;
    height: 100px;
}

.f-r-text {
    color: #fff;
    font-size: 12px;
    padding: 10px 0;
}

.f-r-text2 {
    font-size: 14px;
    padding: 20px;
}

.f-f {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 16px;
}